Size
O.D.: 6.0-820.0mm W.T.: 1.0-80.0mm Length: Max.12000mm
Grade and Chemical Composition(%)
Grade | C | Si | Mn | P | S | Cr | Ni | Cu | Mo | V |
J55(37Mn5) | - | - | - | ≤0.030 | ≤0.030 | - | - | - | - | - |
N80(36Mn2V) | - | - | - | ≤0.030 | ≤0.030 | - | - | - | - | - |
Mechanical Properties
Grade | Tensile Strength(Mpa)≥ | Yield Poing(Mpa) |
J55 | 379-552 | 517 |
N80 | 552-758 | 689 |